Home / 2,842,442.92-3,922,971.24-1,809,620.76

Finding the Fourth Proportional to 2,842,442.92, 3,922,971.24 and 1,809,620.76

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Solution

The fourth proportional to 2,842,442.92, 3,922,971.24 and 1,809,620.76 is: 2,497,531.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842,442.92 : 3,922,971.24 = 1,809,620.76 : x
  2. Step 2: Convert to fraction form
    2,842,442.92/3,922,971.24 = 1,809,620.76/x
  3. Step 3: Cross multiply
    2,842,442.92x = 3,922,971.24 × 1,809,620.76
  4. Step 4: Simplify right side
    2,842,442.92x = 7,099,090,196,786.94
  5. Step 5: Solve for x
    x = 7,099,090,196,786.94/2,842,442.92
  6. Step 6: Final answer
    x = 2,497,531.31

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.